Head-neck posture device



FIG. 1 is a perspective view of the head-neck posture device of theinstant invention;

FIG. 2 is a left side view thereof, a right side view forming a mirrorimage of the left side view, not shown;

FIG. 3 is a lower end view thereof,

FIG. 4 is an upper end view thereof,

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

CLAIM The ornamental design for a head-neck posture device, as shown anddescribed.